commit: c34ce320d9fe328e3272def20b152f39ccfa045e
From: Richard Zhao <[email protected]>
Date: Tue, 24 Apr 2012 15:24:43 +0800
Subject: ASoC: core: check of_property_count_strings failure

Signed-off-by: Richard Zhao <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
---
 sound/soc/soc-core.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 3a4e93e..b390f00 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3631,10 +3631,10 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card 
*card,
        int i, ret;
 
        num_routes = of_property_count_strings(np, propname);
-       if (num_routes & 1) {
+       if (num_routes < 0 || num_routes & 1) {
                dev_err(card->dev,
-                       "Property '%s's length is not even\n",
-                       propname);
+                    "Property '%s' does not exist or its length is not even\n",
+                    propname);
                return -EINVAL;
        }
        num_routes /= 2;
-- 
1.7.3.4
--
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